Solution I: 1 mole of dissolved in 5 moles of water. — Thermodynamics and Thermochemistry Chemistry Question

💡 Solution & Explanation

Substitute $n=5$ into the given equation: $\Delta H = -\frac{75(5)}{5 + 1.8} = -\frac{375}{6.8} = -55.147\text{ kJ}$, rounding to $-55.15\text{ kJ}$.